This post explains for the transistor.
The Part Number is 2SC2229.
The function of this semiconductor is 150V, NPN Transistor.
Manufacturer: Toshiba
Preview images :
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Description
This is Silicon NPN Triple Diffused Type Transistor.
Features
• High breakdown voltage: VCEO = 150 V (min)
• Low output capacitance: Cob = 5.0 pF (max)
• High transition frequency: fT = 120 MHz (typ.)
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 200 V
2. Collector to Emitter Voltage: Vceo = 150 V
3. Emitter to Base Voltage: Vebo = 5 V
4. Collector Current: Ic = 50 mA
5. Collector Dissipation : Pc = 800 mW
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
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Applications:
1. Black and White TV Video Output
2. High-Voltage Switching
3. Driver Stage Audio Amplifier